part of part of medulla oblongata regional part of brain pyramid of medulla oblongata lobule VIII of Larsell SCTID:279289009 pyramid of medulla pyramis medullae oblongatae neuronames:705 DHBA:12535 The anterior or ventral portion of the medulla oblongata is named the pyramid and lies between the anterior median fissure and the antero-lateral sulcus. Its upper end is slightly constricted, and between it and the pons the fibers of the abducent nerve emerge; a little below the pons it becomes enlarged and prominent, and finally tapers into the anterior funiculus of the medulla spinalis, with which, at first sight, it appears to be directly continuous[WP]. BAMS:pym BM:Me-Py SCTID:9535007 medullary pyramid pyramid of medulla oblongata UBERON:0005159 Wikipedia:Pyramid_(brainstem) pyramis bulbi FMA:75254 pyramis (medullae oblongatae)